Device for confining Bumblebees, use of a laminate material for confining bumblebees and method for confining bumblebees

Inactive Publication Date: 2014-11-13
KOPPERT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0008]The inventors of the present invention have now surprisingly found that a laminate comprising a celluloseboard, such as solid paperboard, covered with a 10-500 μm thick layer of a material comprising a number of polymers, said polymeric material having a tensile strength of at least 25 MPa and a microhardness of at least 80 MPa, is suitable as a construction material for a device, such as a nestbox, for confining a bumblebee popul

Problems solved by technology

The production of bumblebee products utilizing such thick walled plastic materials involves relatively e

Method used

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  • Device for confining Bumblebees, use of a laminate material for confining bumblebees and method for confining bumblebees
  • Device for confining Bumblebees, use of a laminate material for confining bumblebees and method for confining bumblebees
  • Device for confining Bumblebees, use of a laminate material for confining bumblebees and method for confining bumblebees

Examples

Experimental program
Comparison scheme
Effect test

experiment 1a

PET Coated Paperboard

[0051]The laminate consists of the paperboard with a layer of 12 μm PET coated on each side. PET is a polymer having a reported tensile strength of around 172 MPa and a micro hardness of around 200 MPa. The test batch contained 2 hives, of which 0 showed critical damage 14 days after placing the bumblebees in the enclosure. The visual inspection of the interior of the hives revealed no damage that could potentially progress to critical damage.

experiment 1b

OPP Coated Paperboard

[0052]The laminate consists of the said paperboard with a layer of 80 μm OPP coated on each side. OPP is a polymer having a reported tensile strength of around 172-207 MPa and a micro hardness of around 80 MPa. The test batch contained 2 hives, of which 0 showed critical damage 14 days after placing the bumblebees in the enclosure. The visual inspection of the interior of the hives revealed no damage that could potentially progress to critical damage.

experiment 1c (comparative)

PE Coated Paperboard

[0053]The laminate consists of the paperboard with a layer of 12 μm PE coated on each side. PE is a polymer having a reported tensile strength of about 8.3 to 17.2 MPa and a micro hardness of around 25 MPa.

[0054]The test batch contained 2 hives, of which 2 showed critical damage in a top corner two days after placing the bumblebees in the enclosure. The visual inspection of the interior of the hives showed that besides the critical damage, adjacent to the aluminum tape the laminate of the corners was removed over the length of the aluminum tape.

[0055]The tests show the secure bumblebee confinement in exemplary embodiments of the invention over a period of up to 14 days. In view of the absence of damage on the interior side of the hive that could potentially progress to critical damage, there is a justified confidence that by using the present invention secure bumblebee confinement can be maintained over longer periods of time. This was confirmed by further tests ...

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PUM

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Abstract

The invention relates to the field of bumblebee (Bombus spp.) handling. According to a first aspect the invention relates to a device, for confining bumblebee (Bombus spp.) workers, such as a nest box. The device comprises a number of barriers forming a number of chambers suitable for confining bumblebee workers. The barriers comprise a laminate comprising a celluloseboard, preferably solid paperboard, covered with a 10-500 μm thick layer of a material comprising a number of polymers. The polymeric material having a tensile strength of at least 25 MPa and an indentation microhardness of at least 80 MPa. Further aspects of the invention relate to the use of the laminate and a method for confining bumblebee (Bombus spp.) workers.

Description

INTRODUCTIONField of the Invention[0001]The present invention relates to the field of bumblebee handling in particular in relation to bumblebee rearing, storage, transport and at the pollination location.BACKGROUND OF THE INVENTION[0002]Bumblebees are beneficial insects widely used as pollinators in agriculture, including horticulture, vegetable and fruit farming and seed propagation. In view of their important role as pollinators they are mass produced by specialized companies. In general a typical bumblebee population used for pollination comprises about 40-250 workers, a single mature queen (the founder queen) and a multitude of eggs, larvae and pupae. Possibly a number of young queens and / or drones (in a premature life stage and / or in a mature life stage) may also be present. Such populations are reared in rearing units by isolating young queens from a population, allow them to mate and hibernate and allowing them to lay eggs in a rearing unit. When workers are present the growi...

Claims

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Application Information

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IPC IPC(8): A01K49/00
CPCA01K49/00A01K47/00A01K67/033
Inventor HUVERMANN, REMCO WALTERMUIJT, EDWINSIMA, PETERNEMETH, RICHARD
Owner KOPPERT
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